python3-cmarkgfm 0.8.0-1 (armhf binary) in ubuntu lunar

 cmark-gfm is an extended version of the C reference implementation of
 CommonMark, a rationalized version of Markdown syntax with a spec.
 .
 This fork adds GitHub Flavored Markdown extensions to the upstream
 implementation, as defined in the spec.
 .
 This package provides Python bindings for the cmark-gfm library.